.ol_loading {
	width: 100%;
	height:31px;
	background: url( '../images/loading-blue.gif' );
	background-repeat: no-repeat;
	background-position: center center;
	display:none;
	position: fixed;
	top:30%;
	left:0px;

	__position: absolute;
	__top:expression(eval(document.documentElement.scrollTop+$(window).height()*0.4));
	__left:0px;
}
.ol_loading_mask{
	height:100%;
	width:100%;
	
	position: fixed;
	top:0px;
	left:0px;
	
	__position: absolute;
	__top:expression(eval(document.documentElement.scrollTop));
	__left:expression(eval(document.documentElement.scrollLeft));

	background-color: #fff;
	opacity: 0.3;
	filter: alpha(opacity =30);
	display:none;
}